CVE-2023-21974

criticalpriority · track · 0EPSS 0.006 · 49 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.61% (49th) EPSS

CVSS 9 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.2–9

v3.19criticalAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · secalert_us@oracle.com USexploitability 2.3 · impact 6

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (3)

Products and version ranges known to be affected.

Oracle Corporation Application Express (APEX)≤ Application Express Team Calendar Plugin: 18.2 ≤22.1enisa_euvdEU
Oracle Corp. Oracle Application Express18.2 → 22.2fstec_bduRU
oracle application express18.2 → 22.1nvdUScpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-07-18modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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